How do I use the json viewer?

Inspect JSON in an interactive tree. Expand and collapse nodes, copy paths, and view formatted JSON. Simply visit the tool page and start using it immediately. No registration or installation required.

Is json viewer free to use?

Yes, all our tools are completely free to use. No hidden fees or premium features.

Do I need to create an account to use json viewer?

No account creation is required. All tools work directly in your browser without any setup.

Does json viewer work on mobile devices?

Yes, all our tools are fully responsive and optimized for mobile devices. They work seamlessly on desktop, tablet, and mobile browsers.

JSON Viewer

JSON viewer online for interactive tree browsing. Expand and collapse nodes, copy paths, search keys, and view formatted JSON instantly.

Input JSON

Upload

Load from URL (public, CORS-enabled)

Tree view

Paste or upload valid JSON, or load from URL to see the tree.

JSON Viewer

View and explore JSON data as an interactive tree. Expand or collapse objects and arrays, copy paths and values, search in the tree, and load from a URL. Your input is saved in your browser. All processing runs in your browser; no data is sent to any server.

Key features

Tree view: Navigate nested objects and arrays with expand and collapse.
Search: Filter the tree by key or value; matches are highlighted and expanded.
Copy path or value: Copy the path or the value at any node for use in code.
Type highlighting: Keys, strings, numbers, booleans, and null values are styled for quick scanning.
Query tab: Run JSONPath expressions; list matches and copy tree paths or values.
Formatted tab: Switch to pretty-printed JSON when you need the raw text.
Load from URL: Fetch JSON from a public, CORS-enabled URL (with size and timeout limits).
Saved in your browser: Your last input and expanded state are restored on return.

Why use this tool?

Debug APIs: Inspect API responses and config files without leaving the browser.
No sign-up: Free and instant; no registration required.

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Added May 5, 2026

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